[kbuild-all] [linux-next:master 2008/7963] drivers/gpu/drm/drm_simple_kms_helper.o: warning: objtool: drm_simple_kms_plane_prepare_fb()+0x12c: unreachable instruction

CC: Linux Memory Management List <linux-mm(a)kvack.org&gt; TO: Douglas Anderson <dianders(a)chromium.org&gt; CC: Dave Airlie <airlied(a)redhat.com&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4b358aabb93a2c654cd1dcab1a25a589f6e2b153 commit: 588b3eee528873d73bf777f329d35b2e65e24777 [2008/7963] Merge tag 'drm-misc-next-2021-07-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next config: x86_64-randconfig-c001-20210812 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 767496d19cb9a1fbba57ff08095faa161998ee36) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 588b3eee528873d73bf777f329d35b2e65e24777 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org